The underfloor heating, more efficient than traditional radiators, has never been used.

I seem to be equipped with my own very efficient central heating.

Washington Square utilizes a highly efficient heating and cooling system.

See the page in this guide on installing efficient heating and hot water equipment.

Ground source heat pumps are recognized as one of the most efficient heating and cooling systems on the market.

In the 1970's the oil crisis made efficient heating a priority, and many schools were built with no windows.

This provides for highly efficient, but less penetrative, dielectric heating.

With efficient central heating, modern homes rarely drop below 50 degrees at night.

Financial support is available to help businesses invest in more energy efficient heating and hot water systems.

At the same time, more modern and efficient heating was also installed.